Tamiasciurus douglasi vs Douglas squirrel

Tamiasciurus douglasi and Douglas squirrel both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tamiasciurus douglasi	Yes	No	No	No
Douglas squirrel	Yes	No	No	No

As nouns, Tamiasciurus douglasi and Douglas squirrel are synonyms defined as:

Tamiasciurus douglasi and Douglas squirrel: far western United States counterpart of the red squirrel

Other synonyms of Tamiasciurus douglasi include chickeree.

Tamiasciurus douglasi (noun)	Douglas squirrel (noun)
far western United States counterpart of the red squirrel	far western United States counterpart of the red squirrel